package com.yunzheng.config;

import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * <p>
 * Mybatis-plus配置
 * </p>
 *
 * @author 郭思良
 * @create 2020-07-23 15:38
 */


@EnableTransactionManagement
@Configuration
@MapperScan("com.yunzheng.mapper")
public class MybatisPlusConfig {

	@Bean
	public PaginationInterceptor paginationInterceptor() {

		PaginationInterceptor paginationInterceptor = new PaginationInterceptor();

		// 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
		paginationInterceptor.setOverflow(false);
		// 设置最大单页限制数量，默认 500 条，-1 不受限制
		paginationInterceptor.setLimit(-1);
		// 开启 count 的 join 优化,只针对部分 left join
		paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));

		return paginationInterceptor;
	}
}
